| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > vsnid | Structured version Visualization version GIF version | ||
| Description: A setvar variable is a member of its singleton. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| vsnid | ⊢ 𝑥 ∈ {𝑥} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3465 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | 1 | snid 4631 | 1 ⊢ 𝑥 ∈ {𝑥} |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 {csn 4592 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3463 df-sn 4593 |
| This theorem is referenced by: exsnrex 4649 rext 5430 unipw 5432 xpdifid 6166 xpdifcnvepel 6167 opabiota 6964 fnressn 7156 fressnfv 7158 snnex 7757 frrlem12 8294 frrlem14 8296 mapsnd 8884 findcard2d 9151 ac6sfi 9244 iunfi 9300 elirrvOLDOLD 9561 kmlem2 10135 fin1a2lem10 10393 hsmexlem4 10413 iunfo 10523 modfsummodslem1 15844 lcmfunsnlem2lem1 16696 coprmprod 16719 coprmproddvdslem 16720 c0snmgmhm 20544 lbsextlem4 21263 frlmlbs 21916 coe1fzgsumdlem 22432 evl1gsumdlem 22485 maducoeval2 22766 dishaus 23508 dis2ndc 23586 dislly 23623 dissnlocfin 23655 comppfsc 23658 txdis 23758 txdis1cn 23761 txkgen 23778 isufil2 24034 alexsubALTlem4 24176 tmdgsum 24221 dscopn 24699 ovolfiniun 25629 volfiniun 25675 jensen 27119 uvtx01vtx 29688 cplgr1vlem 29720 unidifsnel 32822 gsumpart 33324 dflring3 33732 mplidomlem 33862 vieta 33915 extdg1id 34001 irngss 34022 esum2dlem 34427 bnj1498 35394 funen1cnv 35420 fineqvnttrclselem2 35468 wevgblacfn 35528 cvmlift2lem1 35727 funpartlem 36367 ttcid 36926 topdifinffinlem 37916 fvineqsneq 37981 pibt2 37986 finixpnum 38179 mbfresfi 38240 pclfinN 40599 sn-iotalem 42917 mzpcompact2lem 43409 dvmptfprod 46586 fourierdlem48 46795 sge0sup 47032 funressnvmo 47706 dfclnbgr6 48545 dfsclnbgr6 48547 termco 50179 termcarweu 50226 diag1f1o 50232 diag2f1o 50235 |
| Copyright terms: Public domain | W3C validator |